PeriMatched             Matched Periodontal Disease Data
PeriUnmatched           Unmatched Periodontal Disease Data
aamatch-package         Artless Automatic or Artful Multivariate
                        Matching for Observational Studies
alittleArt              Artful Optimal Matching
artless                 Artless Automatic Matching (Old Version)
artlessV2               Artless Automatic Matching, Version 2
